Compare phones
| Global Score | |
| 87.7 | 94.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 11, 10 |
| 2020-09-11 | 2020-09-18 |
| 6.45 x 3.00 x 0.37 inches | 6.27 x 5.05 x 0.27 inches |
| 7.51 ounces | 9.95 ounces |
| Black and White | Mystic black and Mystic bronze |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| -- | $ 1930.00 |
| Display / Screen | |
| 6.7 inches | 7.6 inches |
| 2340 x 1080 pixels | 2208 x 1768 pixels |
| Super AMOLED Plus | Dynamic AMOLED |
| 385 pixels per inch | 372 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Qualcomm Snapdragon 865+ SM8250-AB chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3100 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 618 GPU | Adreno 650 GPU |
| 9.27 | 9.81 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 13.3 |
| Camera | |
| 64.00 MP + 32.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.88 | 10.45 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 7000mAh Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 8.32 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy Z Fold 2 is a bit better than the Galaxy M51, getting a 94.6 score against 87.7. These phones use Android operating system, but the Galaxy Z Fold 2 has the newer 11 version and Galaxy M51 has Android 10, giving some extra features and increased performance. Galaxy Z Fold 2's construction is way thinner but a lot heavier than the Galaxy M51, and both of them were released with only a few months difference.
Galaxy Z Fold 2 counts with a bit faster processor than Galaxy M51, and although they both have 8 CPU cores, the Galaxy Z Fold 2 also has a higher amount of RAM. Samsung Galaxy Z Fold 2 has a little bit better looking display than Galaxy M51, because although it has a quite worse screen density, it also counts with a higher resolution of 1768 x 2208px and a little larger display.
Samsung Galaxy M51 counts with a better camera than Samsung Galaxy Z Fold 2, because although it has lower video frame rate, and they both have the same sensor size, a F1.8 aperture and the same video definition, the Samsung Galaxy M51 also counts with a back-facing camera with a way better 64 MP resolution.
The Galaxy M51 features a little bit more storage for applications, games, photos and videos than Samsung Galaxy Z Fold 2, because although it has 0 less internal memory capacity, it also counts with a slot for SD memory cards that admits a maximum of 512 GB. Samsung Galaxy M51 counts with a much longer battery life than Samsung Galaxy Z Fold 2, because it has a 56 percent more battery capacity.
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